Datasheet

7P.26.9.420.1020 7P.23.9.700.1020 7P.23.9.000.1020
SPD specification
PV voltage mid central earthing (U
OC STC
)V DC
PV voltage earth free systems (U
OC STC
)V DC
Maximum operating voltage /per module (U
CPV
) V DC
Nominal discharge current (8/20 µs) /per module (I
n
)kA
Maximum discharge current (8/20 µs) /per module (I
max
)kA
Voltage protection level /per module (U
P
)kV
Voltage protection level of the system (U
P
)kV
Response time (t
a
)ns
Short-circuit withstand capability
Maximum overcurrent protection - fuse rating
Replacement modules code
Other technical data
Ambient temperature range °C
Protection degree
Wire size
mm
2
AWG
Wire strip length mm
Screw torque Nm
Remote status signalling contact specification
Contact configuration
Rated current A AC/DC
Rated voltage V AC/DC
Wire size (07P.01)
mm
2
AWG
Approvals (according to type)
7
Features
SPD Type 2 Surge arrester range for Photovoltaic
applications
• Surge arrester for protection on DC side
(420 to 1,000 V) of systems in photovoltaic
applications
• Protects equipment against overvoltage caused
by lightning strikes or switching transients
• To be installed at the boundary of the
LPZ 0 - LPZ 1 zones, or higher
7P.26.9.420.1020 420 V DC
7P.23.9.700.1020 700 V DC
7P.23.9.000.1020 1000 V DC
• Visual indication of varistor status -
Healthy/Replace
• Remote signalling contact of varistor status
Connector (07P.01) included
• Replaceable modules
• Complies with EN 61643-11
• 35 mm rail (EN 60715) mounting
Varistor module Spark-gap module Varistor module Varistor module
600 700 1,000
420 700 1,000
350 420 350 500
20 20 20 20
40 40 40 40
1.2 1.5 1.2 1.8
< 2.7 2.4 3.6
25 100 25 25
100 A — 100 A 100 A
125 A gL/gG — 125 A gL/gG 125 A gL/gG
7P.20.9.350.0020 7P.20.1.000.9020 7P. 20.9.350.0020 7P.20.9.500.0020
–40...+80
IP20
solid cable stranded cable
1x1...1x50 1x1...1x35
1x 17...1x1 1x 17...1x2
14
4
1 CO (SPDT) 1 CO (SPDT) 1 CO (SPDT)
0.5 - 0.1 0.5 - 0.1 0.5 - 0.1
250 250 250
solid cable stranded cable solid cable stranded cable solid cable stranded cable
1.5 1.5 1.5 1.5 1.5 1.5
16 16 16 16 16 16
For outline drawing see page 13
7P.23.9 / 7P.26
Screw terminal
• SPD Type 2 (2 varistors + 1
spark-gap) for 420 V DC
photovoltaic systems
• Combination of replaceable
varistor and encapsulated
spark gap modules
• Visual and remote signalling
of varistor status
• SPD Type 2 (3 varistors) for
1000 V DC photovoltaic
systems
• Replaceable varistor modules
• Visual and remote signalling
of varistor status
• SPD Type 2 (3 varistors) for
700 V DC photovoltaic
systems
• Replaceable varistor modules
• Visual and remote signalling
of varistor status
7P Series - Surge Protection Device (SPD)
XII-2012, www.findernet.com